Serviced Sequential Circuits Pro One Vintage Analog Synthesizer - $1,650 (Poway/RB)

Serviced Sequential Circuits Pro One Vintage Analog Synthesizer 1 thumbnail

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condition: good

make / manufacturer: Sequential Circuits

model name / number: Pro One

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The Sequential Circuits Pro-One is a legendary monophonic analog synth prized for its fat bass, searing leads, and incredibly flexible modulation capabilities. Compact yet powerful, it delivers the iconic Prophet-series sound in a hands-on design that’s become a must-have for serious synth players and collectors.

This Pro One has the J-wire (Pratt Read) keybed and is in good condition. This Pro One was serviced by Synthchaser in February 2026. Work done included:

* Recapped all original tantalum capacitors & power supply capacitors
* Keybed refurbished - new bushings, bus bars & j-wires cleaned
* Cleaned pots & switches
* New power cord & quiet power transformer
* Tuned & calibrated

post id: 7913712794

posted: 2026-02-07 11:41

updated: 2026-03-05 07:39

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Serviced Sequential Circuits Pro One Vintage Analog Synthesizer -...